I have the problem of headache on back side and sleepless. When i go to bed there is some thoughts is coming in mind. When i consult to AIIMS doctor. he told me that you have some anxiety problem but i think i have the some systems of depression. Doctor advise me to take 2-tablet of "amitriptyline" 25 mg in night. I am taking this medicine fro 3 months but i did not get as much relief. I could not understand what should i do. please suggest me. Is it depression problem or not ? Is it treatable ? l will be always thankful to you.